Carbureting apparatus for explosive-engines.



M BECK. OARBURETING APPARATUS FOR EXPLOSIVE ENGINES.

APPLICATION FILED NOV. 20, 1911.

Patented June 18, 1912.

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[Xi/Wadi) B E A ziorzzgs M. BECK. GARBURBTING APPARATUS FOR EXPLOSIVBENGINES.

APPLICATION FILED NOV. 20; 1911. 1,029,749 Patented June 18, 1912.

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| h i H: t/iy I r if. E 563 A lzwfaaiaz By Ziorzncys I MICHAEL BECK, OF MINNEAPOLIS, MINNESOTA.

CARBURETING APPARATUS FOR EXPLOSIVE-ENGINES.

Specification of Letters Patent. Patented J 11119 18 1912,

Application filed November 20, 1911. Serial No. 661,368.

To all whom it may concern:

Be it known that I, MICHAEL BECK, a citizen of the United States, residing at Mlnneapolis, in the county of Hennepin and State of Minnesota, have invented certain new and useful Improvements in Carbureting Apparatus for Explosive-Engines; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention'has for its object to provide an improved carbureting apparatus for use in connection with explosive engines, and is especially adapted for use in connection with explosive engines of automobiles.

More specifically stated, the invention provides means whereby the vapor of gasolene or relatively light hydro-carbon liquid, or the vapor of kerosene or a relatively heavy liquid hydro-carbon, is automatically rendered available in the explosive engine. For instance, in starting the engine, the gasolene vapor is available and the exhaust from the engine is used to assist in vaporizing the kerosene, so that the kerosene vapor is used chiefly in running the engine.

. If however, there should be a failure at any time to properly generate the vapor from views.

Referring to the drawings, Figure 1 is a plan view showing the running gear of.an automobile, and showing my improved vaporizing apparatus connected to the explosiveengine thereof; Fig. 2 is a detail showing the so-called primary oil heater chiefly in longitudinal vertical section with some parts in full; Fig. 8 is a view partly in plan and partly in horizontal section showing the so-called secondary oil heater, some parts being broken away; Fig. 4 is a detail in vertical section approximately on the line 00* w on Fig. 1, showing the automatic valve mechanism for controlling the supply of the one or the other of the two kinds of vapor; Fig. 5 is a front elevation of the parts shown in Fig. 3, some parts being Fig. 6 is a detail in'section on the line as m on Fig. 3; and Fig. 7 is a detail showing the delivery end section of the kerosene or heavy oil supply pipe.

Of the parts of the automobile, the numeral 1.indicates the running gear frame, the numeral 2 the front wheels,'the numeral 3 the rear wheels, andthe numeral 4 the multicylinder explosive engine which i is equipped with an ordinary or suitable car ureter 5, and is provided with an exhaust ipe 6. In accordance with my invention, the exhaust pipe6 is connected to one end of the casing 7 of a so-callod primary oil heater, and the other .end of thiscasing 7 is shown as connected by a short pipe 8 to the casing 9 of a so-called secondary oil heater. The said casings 7 and 9 are both supported by and suitably secured to the frame 1. The exhaust pipe 8, at the point where it leads into the casing 9, is provided with a pivoted damper or valve 10, and beyond this point, the said exhaust pipe 8 is connected to a final exhaust pipe 11, that preferably terminates at the rearportion of the running gear. This so-called final exhaust pipe 11 is provided with a branch 11 that opens into the casing 9 of the secondary heater. The damper 10 is shown as provided with a stem 12 by means of which it may be moved so as to cut off the exhaust pipe 8 from the casing 9, and thereby prevent the exhaust from entering the said casing, or said damper may be set, as shown in Fig. 3, so as to'permit' part ofthe exhaust to enter the said casing 9.

The kerosene or heavy oil is contained in asupply tank 13 and the gasolene is contained in a supply tank 14:. Both of these tanks, as shown, are connected together and suitably supported by the frame 1 or other suit-able part of the machine. Both of said tanks 13 and 14 are connected to the casing of a socalledvcontroller valve. As shown, this casing of the said controller valve is made up of a cup-shaped section 15 having a detachable pipe 17. The lower portion of the gasolene tank 14 is connected by a small pipe 18 to avalve seat 19 formed at the lower end of the cup 15, while the kerosene supply pipe 20 extends from the lower portion-of the tank 13 and is connected to a nipple 21 on the upper portion of the pipe 17. The said kerosene supply pipe 20 includes a manifold coil 2.0 that is contained within the casing 7 of the primary oil heater, and it preferably also includes a coil 20* the exhaust plpe 8. .20 is made up of pipe sectionsjhat increase [in diameter in the direction in which the oil is fed therethrough, so as to thereby give increasing conducting capacity for the oil, or oil and vapor as they are expanded by the application of heat from the exhaust. Preferably, the delivery end of the pipe 20 is formed with an inverted U-shaped 'section 20 having a small spring-closed check valve 20 in its crown. The purpose of this crook pipe section 20 and valve 20 is to prevent a siphon action from being started in case oil should be splashed violently within the tube. The crown of the crooked pipe section 20 should be slightly higher than the top of the oil supply tank 13. If oil should be splashed and caused to fill the section 20, the suction produced by the Weight thereof would open the valve 20 and thus break the siphon action. Preferably, the delivery end portion of the kerosene pipe 20 is connected to the gasolene pipe'18 by a small branch pipe 27 having a valve 28, by means of which it may be.

opened and closed, at will. Ordinarily, the valve 28 will be closed, but it may be opened when it is desired to mix gasolene and kerosene vapors for delivery to the carbureter 5. In cold condition, the two gases will not readily mix, but when well heated, they are adapted to be commingled in the explosive mixture. Normally, the valve seat 19 is closed by a ball valve 22 which is gravity-seated, and is provided with a depending finger 23 located within the valve seat 19 and serves to prevent the ball from being displaced, and assists in guiding the said ball back to its proper seat. By reference to Fig. l, it will be noted that there is an annular passage 2% formed between the cup 15 and pipe 17 of the valve casing, and thatthis annular passage is connected to a vapor conducting pipe 25 which is suitably con nected to the carbureter 5 of the engine. Preferably, the valve casing 15 1'? is covered with an asbestos or similar heat insulating jacket 26.

The kerosene and gasolene supply tanks 13 and 14 are both closed, being, as shown, provided with removable caps 13 and 14 respectively, for filling purposes. /Vhen the engine is at rest, or before it has been run long enough to thoroughly heat the kerosene and generate gas therefrom, there will.

be no pressure within the casing 15-17 of the controller valve, and hence, the valve 22 will be only lightly seated by gravity. Hence, when starting the engine, the suction from the engine will raise the valve 22 and draw gasolene to the carbureter. After the engine has been run a short time, the heat from the exhaust will generate a gas from sene, the. valve 22 will belifted and the gasolene vapor will be supplied to the carbureter until the proper supply of vapor from the kerosene is again generated. Sometimes, or under certain conditions, the exhaust action on the coil 20 in the primary heater, will be sufficient to properly generate the gas. from the heavy oil, but when this isnotsnfiicient, the exhaust is also directed through the casing 9 of the so-called secondary oil heater and thus additional heat is furnished for generating gas from the heavy oil.

Kerosene and gasolene are the hydro-carhon oils which will, probably, usually be employed, but the broad idea of the invention is to provide a carbureting apparatus in which, in the main, or chiefly, heavy and comparatively cheap oils be used to run. the engine, but which, for starting and for emergency, or when necessary, a lighter hydro-carbon oil is availa'hle.

N hat I claim is:

1. The combination with explosive engine, of an automatic controller valve, two tanks for containing relatively light and heavy liquid hydrocarbons, means for vaporizing saic. heavy hydrocarbon, a con' duit connecting the tank containing the lighter hydrocarbon to said valve, a conduitextending from the tank containing the heavy hydrocarbon to said valve, and a conduit connecting said valve to the said engine, said valve being arranged for cutting oil the supply oi lighter hydrocarbon, when the heavier hydrocarbon is vaporized to create a sufficientpressure on said-valve to keep itclosed.

2. The combination with an explosive engine having an extended exhaust conduit, of an automatic controller valve, two tanks for containing relatively light and heavy liquid hydrocarbons, means for vaporizing said heavy hydrocarbon, a conduit connecting the tank containing the lighter hydrocarbon to the said valve, a pipe extending the tank containing the heavy hydrocarbon, through said exhaust conduit to the said said engine, said valve bein arranged for cutting 05 the supply of lig ter hydrocarhon, when the heavier hydrocarbon is vaporized to create a suficient pressure on said valve to keep it closed.

3. The combination with an explosive engins an extended exhaust conduit,

are

valve, and a pipe connecting said valve to of an automatic controllervalve, two tanks for containing relatively light and heavy 'liquid hydrocarbons, means for vaporizing Valve, a pipe connecting. said valve to said engine, said valve bein arranged for cutting ofl"v the supply of lighter hydrocarbon when the heavier hydrocarbon is vaporized to create a. suflicient pressure on said valve to keep it closed, and a valved conduit connecting the said conduit for relatively light vapor to the conduit pipe for the relatively heavy vapor, substantially as described.

4. The combination with an explosive engine, of a tank for a liquid hydrocarbon, and a conduit connecting said tank to said engine, having an inverted U-shaped intermedlate section provided with an air inlet valve in its crown kept closed under a light pressure, said crown being located at a point above said tank, substantially as descr'ibed.

5. The combination with an explosive engine having an extended exhaust conduit, of a tank for a liquid hydrocarbon, and a conduit connecting said tank to said engine, including a coil or manifold located in said exhaust conduit, the said conduit having an' inverted U-shaped intermediate section provided with an air inlet valve in its crown kept closed under a light pressure, said crown being located at a point above the said tank, substantially as described.

6. The combination with an explosive engine having an extended exhaust conduit, of

an automatic controller valve, two tanks for containing relatively light and heavy liquid hydrocarbons, means for vaporizing said heavy hydrocarbon, a conduit connecting the tank containing the lighter hydrocarbon to the said valve, a conduit extended from the tank containing the heavy hydrocarbon, through said-exhaust conduit to the said valve and having an increased cross section in the direction in which the liquid hydrocarbon is delivered therethrough, and

a conduit connecting said valveto said engine, said valve arranged for cutting off the supply of lighter hydrocarbon when the heavier hydrocarbon is vaporized to create a suflicient pressure on said valve to keep it closed, substantially as described.

MICHAEL BECK. 

